NPPES file of Aug 9, 2026

Mahmoud Kallash, MD

Pediatric Nephrology Physician · Columbus, OH

Mahmoud Kallash, MD is a pediatric nephrology physician with a practice address in Columbus, Ohio, and NPI 1396935508, issued on Jul 25, 2007. Check the license (Ohio 35-131055, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396935508
Name
Mahmoud Kallash
Credential
MD
Primary taxonomy
Pediatric Nephrology Physician 2080P0210X
License number
35-131055 OH
Self-reported in NPPES; status is on the state search
Practice location
555 S 18TH St, Columbus, OH 43205
Phone
(614) 722-6200
Enumerated
Jul 25, 2007
Record last updated
Feb 20, 2026
Medicaid ID
0218203 OH
Medicare enrollment
Enrolled (PECOS I20170822001721); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 555 S 18TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shoghik Akoghlanian, MDPediatric Rheumatology Physician1326247784
  2. Samiah Al-ZaidyNeurology with Special Qualifications in Child Neurology Physician1043588494
  3. Dara Albert, D.O.Neurology with Special Qualifications in Child Neurology Physician1174811129
  4. Jennifer Aldrink, MDPediatric Surgery Physician1952591919
  5. Fatema Ali, M.DPediatric Gastroenterology Physician1508420894
  6. Seth Alpert, MDPediatric Urology Physician1457447336

Verify Mahmoud Kallash in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35-131055
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

31% fewer Medicare Part D claims than the average pediatric nephrology physician in 2024

46 Medicare Part D claims, against an average of 67 among the 387 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mahmoud Kallash46
  2. Specialty average67

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Pediatric Academic Association, Inc.Columbus, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Pediatric Nephrology Physician providers in Ohio

There are 54 pediatric nephrology physician records in Ohio.

Other pediatric nephrology physician records in Ohio

  1. Ahmad Al Dughiem, MDDayton, OH1538537865
  2. Donald Batisky, MDCincinnati, OH1396742474
  3. Michael Becknell, MD, PHDColumbus, OH1790946150
  4. Stefanie Benoit, M.D., MPHCincinnati, OH1457677536
  5. Victoria Besser, M.D.Cincinnati, OH1790217016
  6. Orville Bignall, MDColumbus, OH1578853636
  7. Amy Bobrowski, M.D.Cleveland, OH1124238688
  8. Raed Bou Matar, M.D.Cleveland, OH1275772931
  9. Ben Brouhard, MDCleveland, OH1144284928
  10. Timothy Bunchman, MDAkron, OH1184699522

Common questions

What is Mahmoud Kallash, MD's NPI number?

Mahmoud Kallash, MD's National Provider Identifier (NPI) is 1396935508, issued on Jul 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mahmoud Kallash, MD located?

The NPPES record lists a practice address at 555 S 18TH St, Columbus, OH, 43205. Phone: (614) 722-6200. Providers update this record themselves, so call before visiting.

How can I verify Mahmoud Kallash, MD's license?

NPPES lists Ohio license number 35-131055, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mahmoud Kallash, MD prescribe under Medicare Part D?

In 2024, Mahmoud Kallash, MD had 46 Medicare Part D claims; the average among pediatric nephrology physician prescribers was 67. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.